Muhammad Hamza;Christos Exadaktylos;Constantinos L. Zekios;Stavros V. Georgakopoulos
{"title":"An Ultrawideband Fully Planar Inverted-L Element (FILE) Array","authors":"Muhammad Hamza;Christos Exadaktylos;Constantinos L. Zekios;Stavros V. Georgakopoulos","doi":"10.1109/TAP.2024.3502900","DOIUrl":null,"url":null,"abstract":"A novel element for ultrawideband (UWB) tightly coupled arrays (TCAs) is introduced called the fully planar inverted-L element (FILE). Our FILE element is inspired by a traditional monopole antenna, thereby reducing its complexity in both design and fabrication. It offers a unique solution to realize UWB tightly coupled dipole arrays (TCDAs) in the V- and W- millimeter-wave (mmWave) bands. The unit cell of the FILE array consists of an inverted-L shaped radiator that is capacitively coupled to two grounded vias. This innovative design effectively shifts the common-mode resonance (CMR) and loop-mode resonance (LMR) outside the desired frequency range. Infinite array simulations of our array demonstrate an operational bandwidth of 3:1 (33–101 GHz) with VSWR<3 for a maximum scan angle of ±45° for all principal E-, H-, and D-planes. The measured results align closely with these simulations, validating the performance of our FILM array.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 1","pages":"174-187"},"PeriodicalIF":4.6000,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Antennas and Propagation","FirstCategoryId":"94","ListUrlMain":"https://ieeexplore.ieee.org/document/10768963/","RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
A novel element for ultrawideband (UWB) tightly coupled arrays (TCAs) is introduced called the fully planar inverted-L element (FILE). Our FILE element is inspired by a traditional monopole antenna, thereby reducing its complexity in both design and fabrication. It offers a unique solution to realize UWB tightly coupled dipole arrays (TCDAs) in the V- and W- millimeter-wave (mmWave) bands. The unit cell of the FILE array consists of an inverted-L shaped radiator that is capacitively coupled to two grounded vias. This innovative design effectively shifts the common-mode resonance (CMR) and loop-mode resonance (LMR) outside the desired frequency range. Infinite array simulations of our array demonstrate an operational bandwidth of 3:1 (33–101 GHz) with VSWR<3 for a maximum scan angle of ±45° for all principal E-, H-, and D-planes. The measured results align closely with these simulations, validating the performance of our FILM array.
本文介绍了一种用于超宽带（UWB）紧耦合阵列（TCA）的新型元件，称为全平面倒 L 元件（FILE）。我们的 FILE 元件受到传统单极天线的启发，从而降低了设计和制造的复杂性。它为实现 V 波段和 W 波段毫米波 (mmWave) 的 UWB 紧耦合偶极子阵列 (TCDA) 提供了独特的解决方案。FILE 阵列的单元由一个倒 L 形辐射器组成，该辐射器与两个接地通孔电容耦合。这种创新设计有效地将共模谐振（CMR）和环模谐振（LMR）转移到所需频率范围之外。对我们的阵列进行的无限阵列仿真表明，在最大扫描角度为 ±45° 时，所有主 E、H 和 D 平面的工作带宽为 3:1（33-101 GHz），驻波比<3。测量结果与模拟结果非常吻合，验证了我们的 FILM 阵列的性能。
期刊介绍：
IEEE Transactions on Antennas and Propagation includes theoretical and experimental advances in antennas, including design and development, and in the propagation of electromagnetic waves, including scattering, diffraction, and interaction with continuous media; and applications pertaining to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques
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